Hi Tim On Sun, Jul 23, 2023 at 09:00:58PM -0700, Tim Wicinski wrote: > There was some operational feedback that suggests 1 second is also > a very reasonable value here. With some discussion, here is some > suggested text: > > Resolvers MUST cache resolution failures for at least 1 second.
When seeing prescriptive text, implementors often wants to know the
rationale behind it. If the value of 5 is changed to 1, please mention
and have the authors include in the document why the lower limit is
1s. Is it an arbitrary change? Is this change based on the default value
of BIND's servfail-ttl named.conf option?
Sometimes the reason for decisions is found in the mailing list
archives, but not always.
> The initial duration SHOULD be configurable by the operator. A
[snip]
> * Note that the original text has this as SHOULD. I've heard reasons for
> both SHOULD and MAY.
What are these reasons?
Mukund
signature.asc
Description: PGP signature
_______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
